1 /* $OpenBSD: printconf.c,v 1.28 2019/01/23 02:02:04 dlg Exp $ */
2
3 /*
4 * Copyright (c) 2013, 2016 Renato Westphal <renato@openbsd.org>
5 * Copyright (c) 2009 Michele Marchetto <michele@openbsd.org>
6 * Copyright (c) 2004, 2005, 2008 Esben Norby <norby@openbsd.org>
7 *
8 * Permission to use, copy, modify, and distribute this software for any
9 * purpose with or without fee is hereby granted, provided that the above
10 * copyright notice and this permission notice appear in all copies.
11 *
12 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
13 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
14 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
15 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
16 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
17 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
18 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
19 */
20
21 #include <sys/types.h>
22 #include <sys/socket.h>
23 #include <arpa/inet.h>
24 #include <stdio.h>
25 #include <netdb.h>
26 #include <err.h>
27
28 #include "ldpd.h"
29 #include "ldpe.h"
30 #include "log.h"
31
32 static void print_mainconf(struct ldpd_conf *);
33 static void print_af(int, struct ldpd_conf *, struct ldpd_af_conf *);
34 static void print_iface(struct iface *, struct iface_af *);
35 static void print_tnbr(struct tnbr *);
36 static void print_nbrp(struct nbr_params *);
37 static void print_l2vpn(struct l2vpn *);
38 static void print_pw(struct l2vpn_pw *);
39
40 static void
print_mainconf(struct ldpd_conf * conf)41 print_mainconf(struct ldpd_conf *conf)
42 {
43 printf("router-id %s\n", inet_ntoa(conf->rtr_id));
44
45 if (conf->flags & F_LDPD_NO_FIB_UPDATE)
46 printf("fib-update no\n");
47 else
48 printf("fib-update yes\n");
49
50 printf("rdomain %u\n", conf->rdomain);
51 if (conf->trans_pref == DUAL_STACK_LDPOV4)
52 printf("transport-preference ipv4\n");
53 else if (conf->trans_pref == DUAL_STACK_LDPOV6)
54 printf("transport-preference ipv6\n");
55
56 if (conf->flags & F_LDPD_DS_CISCO_INTEROP)
57 printf("ds-cisco-interop yes\n");
58 else
59 printf("ds-cisco-interop no\n");
60 }
61
62 static void
print_af(int af,struct ldpd_conf * conf,struct ldpd_af_conf * af_conf)63 print_af(int af, struct ldpd_conf *conf, struct ldpd_af_conf *af_conf)
64 {
65 struct iface *iface;
66 struct iface_af *ia;
67 struct tnbr *tnbr;
68
69 printf("\naddress-family %s {\n", af_name(af));
70
71 if (af_conf->flags & F_LDPD_AF_THELLO_ACCEPT)
72 printf("\ttargeted-hello-accept yes\n");
73 else
74 printf("\ttargeted-hello-accept no\n");
75
76 if (af_conf->flags & F_LDPD_AF_EXPNULL)
77 printf("\texplicit-null yes\n");
78 else
79 printf("\texplicit-null no\n");
80
81 if (af_conf->flags & F_LDPD_AF_NO_GTSM)
82 printf("\tgtsm-enable no\n");
83 else
84 printf("\tgtsm-enable yes\n");
85
86 printf("\tkeepalive %u\n", af_conf->keepalive);
87 printf("\ttransport-address %s\n", log_addr(af, &af_conf->trans_addr));
88
89 LIST_FOREACH(iface, &conf->iface_list, entry) {
90 ia = iface_af_get(iface, af);
91 if (ia->enabled)
92 print_iface(iface, ia);
93 }
94
95 LIST_FOREACH(tnbr, &conf->tnbr_list, entry)
96 if (tnbr->af == af && tnbr->flags & F_TNBR_CONFIGURED)
97 print_tnbr(tnbr);
98
99 printf("}\n");
100 }
101
102 static void
print_iface(struct iface * iface,struct iface_af * ia)103 print_iface(struct iface *iface, struct iface_af *ia)
104 {
105 printf("\tinterface %s {\n", iface->name);
106 printf("\t\tlink-hello-holdtime %u\n", ia->hello_holdtime);
107 printf("\t\tlink-hello-interval %u\n", ia->hello_interval);
108 printf("\t}\n");
109 }
110
111 static void
print_tnbr(struct tnbr * tnbr)112 print_tnbr(struct tnbr *tnbr)
113 {
114 printf("\n\ttargeted-neighbor %s {\n", log_addr(tnbr->af, &tnbr->addr));
115 printf("\t\ttargeted-hello-holdtime %u\n", tnbr->hello_holdtime);
116 printf("\t\ttargeted-hello-interval %u\n", tnbr->hello_interval);
117 printf("\t}\n");
118 }
119
120 static void
print_nbrp(struct nbr_params * nbrp)121 print_nbrp(struct nbr_params *nbrp)
122 {
123 printf("\nneighbor %s {\n", inet_ntoa(nbrp->lsr_id));
124
125 if (nbrp->flags & F_NBRP_KEEPALIVE)
126 printf("\tkeepalive %u\n", nbrp->keepalive);
127
128 if (nbrp->flags & F_NBRP_GTSM) {
129 if (nbrp->gtsm_enabled)
130 printf("\tgtsm-enable yes\n");
131 else
132 printf("\tgtsm-enable no\n");
133 }
134
135 if (nbrp->flags & F_NBRP_GTSM_HOPS)
136 printf("\tgtsm-hops %u\n", nbrp->gtsm_hops);
137
138 printf("}\n");
139 }
140
141 static void
print_l2vpn(struct l2vpn * l2vpn)142 print_l2vpn(struct l2vpn *l2vpn)
143 {
144 struct l2vpn_if *lif;
145 struct l2vpn_pw *pw;
146
147 printf("\nl2vpn %s type vpls {\n", l2vpn->name);
148
149 if (l2vpn->pw_type == PW_TYPE_ETHERNET)
150 printf("\tpw-type ethernet\n");
151 else
152 printf("\tpw-type ethernet-tagged\n");
153
154 printf("\tmtu %u\n", l2vpn->mtu);
155 if (l2vpn->br_ifindex != 0)
156 printf("\tbridge %s\n", l2vpn->br_ifname);
157 LIST_FOREACH(lif, &l2vpn->if_list, entry)
158 printf("\tinterface %s\n", lif->ifname);
159 LIST_FOREACH(pw, &l2vpn->pw_list, entry)
160 print_pw(pw);
161
162 printf("}\n");
163 }
164
165 static void
print_pw(struct l2vpn_pw * pw)166 print_pw(struct l2vpn_pw *pw)
167 {
168 printf("\tpseudowire %s {\n", pw->ifname);
169
170 printf("\t\tneighbor-id %s\n", inet_ntoa(pw->lsr_id));
171 printf("\t\tneighbor-addr %s\n", log_addr(pw->af, &pw->addr));
172 printf("\t\tpw-id %u\n", pw->pwid);
173
174 if (pw->flags & F_PW_STATUSTLV_CONF)
175 printf("\t\tstatus-tlv yes\n");
176 else
177 printf("\t\tstatus-tlv no\n");
178
179 if (pw->flags & F_PW_CWORD_CONF)
180 printf("\t\tcontrol-word yes\n");
181 else
182 printf("\t\tcontrol-word no\n");
183
184 printf("\t}\n");
185 }
186
187 static void
print_auth(struct ldpd_conf * conf)188 print_auth(struct ldpd_conf *conf)
189 {
190 struct ldp_auth *auth;
191
192 printf("\n");
193
194 LIST_FOREACH(auth, &conf->auth_list, entry) {
195 if (auth->md5key_len)
196 printf("tcp md5sig key XXX");
197 else
198 printf("no tcp md5sig");
199 if (auth->idlen) {
200 char hbuf[NI_MAXHOST];
201
202 if (inet_net_ntop(AF_INET, &auth->id, auth->idlen,
203 hbuf, sizeof(hbuf)) == NULL)
204 err(1, "inet_net_ntop");
205
206 printf(" %s", hbuf);
207 }
208 printf("\n");
209 }
210 }
211
212 void
print_config(struct ldpd_conf * conf)213 print_config(struct ldpd_conf *conf)
214 {
215 struct nbr_params *nbrp;
216 struct l2vpn *l2vpn;
217
218 print_mainconf(conf);
219
220 if (!LIST_EMPTY(&conf->auth_list))
221 print_auth(conf);
222
223 if (conf->ipv4.flags & F_LDPD_AF_ENABLED)
224 print_af(AF_INET, conf, &conf->ipv4);
225 if (conf->ipv6.flags & F_LDPD_AF_ENABLED)
226 print_af(AF_INET6, conf, &conf->ipv6);
227
228 LIST_FOREACH(nbrp, &conf->nbrp_list, entry)
229 print_nbrp(nbrp);
230
231 LIST_FOREACH(l2vpn, &conf->l2vpn_list, entry)
232 print_l2vpn(l2vpn);
233 }
234